Home / 1,715.98-2,576.40-1,064.74

Finding the Fourth Proportional to 1,715.98, 2,576.40 and 1,064.74

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Solution

The fourth proportional to 1,715.98, 2,576.40 and 1,064.74 is: 1,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.98 : 2,576.40 = 1,064.74 : x
  2. Step 2: Convert to fraction form
    1,715.98/2,576.40 = 1,064.74/x
  3. Step 3: Cross multiply
    1,715.98x = 2,576.40 × 1,064.74
  4. Step 4: Simplify right side
    1,715.98x = 2,743,196.14
  5. Step 5: Solve for x
    x = 2,743,196.14/1,715.98
  6. Step 6: Final answer
    x = 1,598.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.